kashi/kashi.mjs

Singing at the top of my lungs

const t=/\[\d{2}:\d{2}.\d{2}\]/,e=/^\[\d{2}:\d{2}.\d{2}\](.*)$/;var i,r,n,s,o,a,h,l,f,c,u=function(t,e,i,r,n){if("m"===r)throw new TypeError("Private method is not writable");if("a"===r&&!n)throw new TypeError("Private accessor was defined without a setter");if("function"==typeof e?t!==e||!n:!e.has(t))throw new TypeError("Cannot write private member to an object whose class did not declare it");return"a"===r?n.call(t,i):n?n.value=i:e.set(t,i),i},w=function(t,e,i,r){if("a"===i&&!r)throw new TypeError("Private accessor was defined without a getter");if("function"==typeof e?t!==e||!r:!e.has(t))throw new TypeError("Cannot read private member from an object whose class did not declare it");return"m"===i?r:"a"===i?r.call(t):r?r.value:e.get(t)};class d{constructor(t){if(i.add(this),r.set(this,null),n.set(this,null),s.set(this,[]),o.set(this,void 0),a.set(this,new Map),h.set(this,void 0),t.url&&t.file)throw new Error("Cannot specify both url and file.");if(!t.url&&!t.file)throw new Error("Must specify either url or file.");if(!(t.container&&t.container instanceof HTMLDivElement))throw new Error("Container must be an instance of HTMLDivElement.");t.emptyLineText&&this.setEmptyLineText(t.emptyLineText),u(this,o,t.container,"f"),this.subscribe("fileSet",w(this,i,"m",c).bind(this)),this.subscribe("emptyLineTextSet",w(this,i,"m",c).bind(this)),t.url?this.setUrl(t.url):t.file&&this.setFile(t.file)}get url(){return w(this,r,"f")}get file(){return w(this,n,"f")}get emptyLineText(){return w(this,h,"f")??"..."}async setUrl(t){try{const e=await fetch(t);if(!e.ok)throw new Error(`HTTP error! Status: ${e.status}.`);const i=e.headers.get("Content-Type");if(!i||!i.includes("text/plain"))throw new Error("Invalid content type. Expected text/plain.");const n=await e.blob();u(this,r,t,"f"),this.notify("urlSet",{url:t}),this.setFile(n)}catch(t){throw new Error((t instanceof Error&&t.message.length?t.message+" ":"")+"Failed to fetch the lyric file.")}}async setFile(t){const e=await w(this,i,"m",l).call(this,t);u(this,s,w(this,i,"m",f).call(this,e),"f"),u(this,n,t,"f"),this.notify("fileSet",{file:t})}setEmptyLineText(t){u(this,h,t,"f"),this.notify("emptyLineTextSet",{emptyLineText:t})}subscribe(t,e){w(this,a,"f").set(t,[...w(this,a,"f").get(t)??[],e])}unsubscribe(t,e){const i=w(this,a,"f").get(t);i&&i.length>1?w(this,a,"f").set(t,[...i.filter(t=>t!==e)]):w(this,a,"f").delete(t)}notify(t,e){[...w(this,a,"f").get(t)??[]].forEach(t=>{t(e)})}}r=new WeakMap,n=new WeakMap,s=new WeakMap,o=new WeakMap,a=new WeakMap,h=new WeakMap,i=new WeakSet,l=async function(t){return new Promise((e,i)=>{const r=new FileReader;r.onload=t=>{"string"==typeof t.target?.result&&t.target?.result.trim().length?e(t.target.result):i(new Error("Failed to read file content."))},r.onerror=()=>i(new Error("Error reading file.")),r.readAsText(t)})},f=function(t){return t.split("\n").reduce((t,i)=>{const r=i.trim();return e.test(r)?[...t,r]:t},[])},c=function(){w(this,o,"f").innerHTML=w(this,s,"f").map(e=>`<p>${e.replace(t,"")||(w(this,h,"f")??"...")}</p>`).join(""),this.notify("lyricLinesUpdated",{lyricLines:w(this,s,"f")})};export{d as Kashi};